????
                     Otto, John August (b:1884-1885)(d:)
                    |          ????
           Otto, Albert August (b:1913)(d:1992)
          |         |          ????
          |          Schott, Frances Lena (b:1887-1888)(d:)
          |                    ????
 Otto, Valarie Frances (b:1954)(alive: 2025)
          |                                        ????
          |                              Dorau, Christian (b:1802-1836)(d:)
          |                             |          ????
          |                    Dorau, Albert Frederick (b:1861)(d:1951)
          |                   |         |          ????
          |                   |          (unknown), (unknown) (b:)(d:)
          |                   |                    ????
          |          Dorau, William Frederick (b:1898)(d:1976)
          |         |         |                    ????
          |         |         |          Heyer, August (b:1820-1821)(d:)
          |         |         |         |          ????
          |         |          Heuer, Paulina (b:1864)(d:1907)
          |         |                   |          ????
          |         |                    Tesker, Henryeta (b:1818-1819)(d:)
          |         |                              ????
           Dorau, Dorothy Corinne (b:1919)(d:2024)
                    |          ????
                     Benard, Corinne (b:1899)(d:1981)
                               ????